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Re: [Openvpn-users] Optimising Data Transfer


  • Subject: Re: [Openvpn-users] Optimising Data Transfer
  • From: "James Yonan" <jim@xxxxxxxxx>
  • Date: Sun, 10 Aug 2003 10:37:16 -0000

 > The only reason I am concerned about the speed of the connection is
> because when I ping the remote computer directly over the internet it
> usually has a ping of 20ms and when I ping it over the tunnel it is
> variable and anything from 30 to 70+ ms.  Plus the maximum transfer rate
> I have managed to get so far is about 30k/s when the DSL link is capable
> of 60k/s (the DSL link is only at my end, the remote node is connected
> via a fast university link, and I am trying to transfer files from the
> remote node to my network).

On my test of XP (cable modem) <-> Linux (DSL) without bridging or
compression, I get:

Direct pings: 68ms
Pings through tunnel: 77ms

Direct FTP (receive/send): 27/30 KB/sec
FTP through tunnel (receive/send): 24.69/27.57 KB/sec

> I have also read about using the ping -s command to check for
> fragmentation, but ping -s on a windows pc gives you the timestamp for
> count hops and doesn't change the size of the packet.

Oh, on windows try ping -l [size]
  
James


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